Base | Representation |
---|---|
bin | 10001010110000… |
… | …10000000011111 |
3 | 101010210001221010 |
4 | 20223002000133 |
5 | 244221420033 |
6 | 22234310303 |
7 | 3414466560 |
oct | 1053020037 |
9 | 333701833 |
10 | 145498143 |
11 | 751479aa |
12 | 40888393 |
13 | 241b3a9b |
14 | 15476167 |
15 | cb90863 |
hex | 8ac201f |
145498143 has 16 divisors (see below), whose sum is σ = 233381120. Its totient is φ = 78765696.
The previous prime is 145498139. The next prime is 145498151. The reversal of 145498143 is 341894541.
It is not a de Polignac number, because 145498143 - 22 = 145498139 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145498123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181930 + ... + 182727.
It is an arithmetic number, because the mean of its divisors is an integer number (14586320).
Almost surely, 2145498143 is an apocalyptic number.
145498143 is a deficient number, since it is larger than the sum of its proper divisors (87882977).
145498143 is a wasteful number, since it uses less digits than its factorization.
145498143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 364686.
The product of its digits is 69120, while the sum is 39.
The square root of 145498143 is about 12062.2611064427. The cubic root of 145498143 is about 525.9597175511.
The spelling of 145498143 in words is "one hundred forty-five million, four hundred ninety-eight thousand, one hundred forty-three".
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